Internship/Working Student Category Management / Purchasing Salty Biscuits & Confectionery (m/f/d)

Location: 50933 Cologne | Contract type: part-time, limited or full-time, terminated | Start: 01.10.2026 | Job-ID: 977285

What we plan together: Become part of the product discount division at PENNY within REWE Group Buying. Together, we manage the goods business in the Salzgebäck and Zuckerware product groups and work to improve assortments, promotions and processes for our customers daily. You will get exciting insights into purchasing, category management, supplier communication and data-based decision-making processes.

What you do with us: You support us in day-to-day business and take on your own tasks step by step: You support the preparation and follow-up of supplier talks, annual talks and internal votes. You analyze sales, sales and competition data and prepare them for decisions in category management. You support the assortment and action plan You support the maintenance of relevant data, presentations and evaluations as well as communication with internal interfaces.

What convinces us: That's what you bring: First of all, your personality: You work structured, reliable and enjoy working on new topics. You have fun in numbers, analyses and evaluations and bring safe MS Office skills, especially in Excel and PowerPoint. You can communicate clearly, work in the team and work for food, trade and current market and consumer trends. You are registered:r Student:in, ideally in Business Administration, Trade Management, Economics or a comparable degree course. You bring up to 20 hours of time per week as a working student or are available in full time for at least 6 months or more.

What we offer: REWE Group, one of Europe's largest trading and tourism companies, offers unique conditions for those who want to move. Discover a living employer that gives you confidence, free spaces for design and promotes innovation and fresh ideas through flexible structures. Those who work with us and move a lot may also expect a lot:• Attractive remuneration as well as discounted food in the canteen.• Flexible working time without core times.• Employee discount – 5% purchase discount at REWE and PENNY as well as further discounts at the toom construction market and at DERTOUR Group.• A comprehensive health and sports offer.• Networked: REWE Group’s enterprise-wide networks, such as our LGBTIQ network “DITO – different together” and the women’s network “f.ernetzt” for the exchange of career and personal development.• A complete integration into the teams and the respective workflows, the takeover of responsible tasks and the learning of and with professional colleagues.• Possible cooperation for final work (depending on the needs of the respective department).• Career entry: admission to the “future steps” binding program with exclusive events and talent pool. For more information, see jobs.rewe-group.com. You still have questions about your online application or our application process? Then check our FAQ. We stress that all people - regardless of gender/sex identity, ethnic origin and nationality, social origin, religion/worldview, physical and mental abilities, age as well as sexual orientation or other individual features - are equally welcome. .